If you get error messages 'Driver's SQLAllocHandle on SQL_HANDLE_ENV failed' which was caused by a Windows update to the Microsoft Access Database tools we have a fix to the corrupted registry entry.

Most often you will see a message that appears like this when this problem exists:

One of our customer's IT guy found that after installing Office 365 the problem appeared. He downloaded and installed the Microsoft Access Database tool and it fixed the problem. Here is the link: